10
Oct
The difference between analog mixers and digital mixers
What are their main functions and differences? Let’s take a look.
28
Sep
Antenna characteristic, antenna gain and directivity
Due to the special design of the antenna, the radiation density can be concentrated in a certain spatial direction. The measure of lossless antenna directivity is antenna gain. It is closely related to the directivity of the a...
24
Sep
A mini FM transmitter circuit sharing
This is a mini FM transmitter circuit. I think this is the simplest, easiest and of course…cheap… The supply voltage is between 1.1 – 3 volts and the power consumption is 1.8 mA at 1.5 volts. This circuit should be covered, righ...
22
Sep
The relationship between RF front-end and RF transistor
The relationship between RF front-end and RF chip
RF front-end and RF chips are closely related, and the two are inseparable. The RF front-end is an important part of information a...
21
Sep
3km long range FM transmitter circuit.
Describtion:FM transmitters have been used for communications all over the world. The simplicity of building FM circuits is what makes it so popular among other modulation techniques. Today I came up with FM transmitter circui...
01
Sep
Definition/Calculation Formula/Transmitting Power of Antenna Gain
DescribeAntenna gain is a very important part of the antenna knowledge structure, and of course it is also one of the important parameters for selecting an antenna. Antenna gain also plays an important role in the operation qual...
